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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [bisected] Latest amd-staging-drm-next vega10 MCLK stuck on lowest level"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109462">109462</a>
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<th>Summary</th>
<td>[bisected] Latest amd-staging-drm-next vega10 MCLK stuck on lowest level
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<th>Product</th>
<td>DRI
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<th>Version</th>
<td>XOrg git
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<th>Hardware</th>
<td>Other
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
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<th>Priority</th>
<td>medium
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<th>Component</th>
<td>DRM/AMDgpu
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
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<th>Reporter</th>
<td>bas@basnieuwenhuizen.nl
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<th>CC</th>
<td>alexdeucher@gmail.com
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<pre>Performance is more than halved in games (used Talos Principle on RADV for
bisection) due to the mclk being stuck at 167 MHz.
commit 42a2d4839bc4f095621d259a3ff5401063b914cc (HEAD, refs/bisect/bad)
Author: Evan Quan <<a href="mailto:evan.quan@amd.com">evan.quan@amd.com</a>>
Date: Fri Jan 25 14:09:40 2019 +0800
drm/amd/powerplay: support Vega10 SOCclk and DCEFclk dpm level settings
Enable SOCclk and DCEFclk dpm level retrieving and setting on Vega10.
Change-Id: Iab35a6cc85cdfcf48f06f7d20b95a52c6feb60d1
Signed-off-by: Evan Quan <<a href="mailto:evan.quan@amd.com">evan.quan@amd.com</a>>
Reviewed-by: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>>
Kernel cmdline has
amdgpu.exp_hw_support=1 log_buf_len=1 amdgpu.sched_hw_submission=64
amdgpu.gpu_recovery=1 amdgpu.cik_support=1 radeon.cik_support=0
amdgpu.cg_mask=0 amdgpu.pg_mask=0 idle=nomwait
and nothing interesting showing up in dmesg.
I can't CC Evan Quan due to lack of bugzilla account.</pre>
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